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D4B
D4B Series: Heavy-Duty Limit Switches for Industrial Automation
The D4B series represents a robust family of heavy-duty limit switches designed for demanding industrial environments. These electromechanical position sensors are engineered with a die-cast metal housing, typically offering IP67 ingress protection against dust and water ingress. The...
D4B Series: Heavy-Duty Limit Switches for Industrial Automation
The D4B series represents a robust family of heavy-duty limit switches designed for demanding industrial environments. These electromechanical position sensors are engineered with a die-cast metal housing, typically offering IP67 ingress protection against dust and water ingress. They feature a wide range of operating heads, including plunger, roller lever, and rod lever actuators, allowing for precise mechanical actuation in various applications. The switches are available with standard snap-action or slow-action contact mechanisms, with contact ratings up to 10A at 250VAC or 0.5A at 125VDC. The D4B series is known for its high mechanical durability, often exceeding 10 million operations, and its ability to withstand shock and vibration in harsh industrial settings.
These limit switches are primarily used in industrial automation and material handling systems to detect the presence, absence, or position of moving parts. Common applications include conveyor systems, packaging machinery, machine tools, elevators, and automated assembly lines. They are also found in heavy machinery such as cranes, hoists, and mining equipment, where reliable position sensing is critical for safety and operational control. The D4B series is suitable for installation in control panels, junction boxes, or directly on machinery, often requiring robust cable glands for wiring.
The D4B series includes several subcategories based on actuator type and electrical configuration. Key article codes include D4B-2A11N, D4B-2A15N, D4B-2A21N, D4B-2A25N, D4B-2A31N, D4B-2A35N, D4B-2A41N, D4B-2A45N, D4B-2A51N, and D4B-2A55N. The code structure typically follows the pattern D4B-[actuator type][contact configuration][electrical rating][housing material]. For example, D4B-2A11N indicates a standard plunger type with one normally open and one normally closed contact, rated for standard AC applications.
At Electric Automation Network, we offer the D4B series with real-time pricing and global express shipping. Our team of specialized engineers provides personalized technical support to help you select the correct actuator type, contact configuration, and electrical rating for your specific application. We also supply detailed technical documentation, including wiring diagrams and installation manuals, to ensure seamless integration into your automation systems.
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